Finding the Third Proportional to 11,129.63 and 26,272.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,129.63 : 26,272.69 = 26,272.69 : x
2. Step 2: Convert to fraction form
   11,129.63/26,272.69 = 26,272.69/x
3. Step 3: Cross multiply
   11,129.63x = 26,272.69 × 26,272.69
4. Step 4: Simplify right side
   11,129.63x = 690,254,108.47
5. Step 5: Solve for x
   x = 690,254,108.47/11,129.63
6. Step 6: Final answer
   x = 62,019.53